YD/T 1460.3-2006 PDF English
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YD/T 1460.3-2006: Telecommunication microduct optical fibre cables and fibre units for installation by blowing - Part 3: Microducts, microduct bundles and microduct accessories ---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YDT1460.3-2006
COMMUNICATION INDUSTRY STANDARD
ICS 33.180.10
M 33
Telecommunication microduct optical fiber cables and fiber
units for installation by blowing - Part 3.Microducts,
microduct bundles and microduct accessories
Issued on. DECEMBER 11, 2006
Implemented on. JANUARY 01, 2007
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Definitions... 5
4 Product model and marking... 5
5 Requirements... 7
6 Test methods... 11
7 Inspection rules... 18
8 Packaging, transportation, storage... 20
Appendix A (Normative) Basic technical requirements for microduct accessories... 21
Appendix B (Informative) Structure diagram of microduct and microduct bundle... 23
References... 24
Foreword
YD/T 1460-2006 "Telecommunication microduct optical fiber cables and fiber units for
installation by blowing" is divided into the following 5 parts.
- Part 1.General;
- Part 2.Outer protective ducts;
- Part 3.Microducts microduct bundles and microduct accessories;
- Part 4.Microduct optical fiber cables;
- Part 5.Enhanced performance fiber units.
This Part is the Part 3 of YD/T 1460-2006.This Part shall be used, in conjunction with
YD/T 1460.1-2006.
In the formulation of this Part, the provisions of the main test items refer to the
provisions of the International Electrotechnical Commission Standard IEC 60794-
5.2003 " Optical fiber cables - Part 5.Sectional specification - Microduct cabling for
installation by blowing"; the main performance indicators of the product refer to the
IEC Committee CD document 86A/867/CD"60794-3-50.2003 "Optical fiber cables -
Part 3-50.Outdoor fiber cables - Sectional specification for microduct cabling for
installation by blowing" (first edition).
Appendix A of this Part is a normative appendix. Appendix B is an informative
appendix.
This Part was proposed by AND shall be under the jurisdiction of China
Communications Standardization Association.
Drafting organizations of this Part. Wuhan Research Institute of Posts and
Telecommunications, Datang Telecom Technology Industry Group, Changfei Optical
Fiber and Cable Co., Ltd., Jiangsu Zhongtian Technology Co., Ltd., Sichuan Huiyuan
Optical Communication Co., Ltd., Beijing Tonghe Shiyi Telecommunications Science
and Technology Research Institute Ltd.
The main drafters of this Part. Shi Huiping, Xue Mengchi, Song Zhituo, Wang Jianwei,
Wu Yanxiang, Wang Han.
Telecommunication microduct optical fiber cables and fiber
units for installation by blowing - Part 3.Microducts,
microduct bundles and microduct accessories
1 Scope
This Part of YD/T 1460 specifies the definition, product model and marking,
requirements, test methods, inspection rules, packaging, transportation, storage of
microducts and microduct bundles, as well as the basic requirements for microduct
accessories.
This Part applies to microducts, microduct bundles, microduct accessories for
installation in outdoor or indoor, by blowing.
2 Normative references
The provisions in following documents become the provisions of this Part through
reference in this Part of YD/T 1460.For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this Part; however,
parties who reach an agreement based on this Part are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition of
the referenced document applies.
GB/T 2828-2003 Sampling procedures and tables for lot-by-lot inspection by
attributes (Apply to inspection of successive lots or batches) (ISO 2859-1.1999, IDT)
GB/T 6671-2001 Thermoplastics pipes - Determination of longitudinal reversion
(eqv ISO 2505.1994)
GB 6995.2-1986 Markings for electric cables and wires - Part 2.Standard colours
GB/T 7424.2-2002 Optical fiber cable generic specification - Part 2.Basic optical
cable test procedures (IEC 60794-1-2.1999, Optical fiber cables - Part 1-2.Generic
specification - Basic optical cable test procedures, MOD)
GB/T 8804.1-2003 Thermoplastic pipes - Determination of tensile properties - Part
1.General test method (ISO 6259-1.1997, IDT)
3 Definitions
The following definitions apply to this Part.
3.1
Microduct bundles
See the definition in Article 3.3 of YD/T 1460.1-2006.
4 Product model and marking
4.1 Product classification
According to the different combinations of microducts, they can usually be divided into
three types.
4.2 Types
4.2.1 Type composition
Product's type marking includes product category, material, construction, as shown in
Figure 1.
4.2.2 Product category
4.3 Specifications
4.3.1 Specifications of microducts
The specifications of the microducts consist of the outer and inner diameters of the
microducts. The outer diameter and the inner diameter are connected by a "/" sign.
4.4 Model and marking
4.4.1 Models
Product model consists of type and specification. Different parts are separated by spaces.
4.4.2 Marking
The microduct product marking shall be identified, when processing and ordering,
which consists of the model of the microduct and the serial number of this Part.
Example 1.For the microduct for installation by blowing, which is made of high-
density polyethylene, has an outer diameter of 7.0 mm and an inner diameter of 5.5 mm,
whose duct wall structure is ribbed, THEN, the product marking shall be expressed as.
SYHL 7/5.5 YD/T 1460.3-2006
5 Requirements
5.1 General requirements
The provisions of 5.4 and 5.5 of YD/T 1460.1-2006 apply to this Part. When in use,
microducts, microduct bundles or microduct cables must be used, in combination with
corresponding accessories. The requirements of microduct accessories are as shown in
Appendix A.
5.2 Structure
5.2.1 Structure example
Examples of structures for microducts, microduct bundles, microduct cables are as
shown in Appendix B.
5.2.4 Microduct bundles
Microduct bundles are formed by the collection of a certain number of microducts
(bundling). It can be installed in the existing outer protective tube at one time, BUT
cannot fill the entire outer protective tube. The duty cycle shall not be greater than 60%.
5.2.5 Microduct cables
Where there are waterproof and moisture-proof requirements, the microduct cable shall
have a moisture barrier. The material of the moisture barrier shall be such, that can block
water and moisture. The sheath of the microduct cable shall be able to completely cover
the microduct bundles therein; the thickness should be 0.8 mm.
5.3 Technical requirements
5.3.3 Environmental performance
5.3.3.1 Air pressure
5.3.3.2 Water pressure tightness
The microducts, which are connected by microduct joints, shall be airtight as a whole
AND meet the test requirements of 6.5.3.
5.3.3.3 Freezing
There are no freezing requirements for microducts.
Put the microduct at -15 °C for 10 h, the tube shall have no cracks or breaks, meanwhile
there shall be no obvious cracks and defects in appearance.
5.4 Delivery length
The nominal value of the standard manufacturing length of the microduct should be
2000 m, 3000 m or 4000 m, which has a tolerance of 0% ~ +5%.
6 Test methods
6.1 General
The properties of the microducts shall be tested, according to the test methods specified
in Table 6.
6.2 Microduct structure inspection
The microduct structure shall be visually inspected, at no less than 100 mm away from
the end of the microduct, for the integrity and structure of the microduct; the inner wall
can be viewed with a light source.
6.3 Dimensional inspection
6.3.1 Length
The delivery length is measured by a metering device, whose measurement error must
not be negative. The measurement error is determined by a steel tape measure, which
has an accuracy of 1 mm.
6.4 Measurement methods of mechanical properties
6.4.1 General requirements
The following test methods and test conditions are used, to verify the mechanical
properties of the product. When the test results meet the requirements of Chapter 5, and
it is judged to be qualified.
6.4.2 Tensile property
6.5 Measurement methods of environmental performance
6.5.1 General
The test methods and test conditions, which are specified below, are used to verify the
environmental performance of the product. When the test results meet the specified
qualification criteria, it is judged to be qualified.
6.5.2 Air pressure
7 Inspection rules
7.1 General
The manufacturer shall establish a quality assurance system, to ensure that the product
quality meets the requirements of this standard. Microduct products shall be inspected
by the quality inspection department of the manufacturer.
7.2 Exit-factory inspection
7.2.1 Exit-factory inspection items
The exit-factory inspection items are as shown in Table 6.
7.2.2 Sampling
7.2.3 Judgment rules
For the size in Article 5.2, in the n samples in accordance with the sampling scheme in
Table 7, if there are less than or equal to Ac samples, that do not meet the requirements,
the batch is judged to be qualified. If there are more than or equal to Re samples, that
do not meet the requirements, the batch is judged to be unqualified. If one of the items
in 5.3 fails to meet the indicator, it may randomly select double quantity of samples, for
re-inspection of the item. If it is still unqualified, the batch will be judged unqualified.
7.3 Type inspection
7.3.1 Inspection conditions
In one of the following cases, type inspection shall be carried out.
7.3.2 Inspection items
The items of type inspection are all items in Table 6.
7.3.3 Sampling
For the specimens, which are used for type inspection, they shall be randomly taken
Batch size N Sample size n Acceptance number Ac Rejection number Re
from the qualified products in the exit-factory inspection. The number of samples shall
meet the requirements of each item in Chapter 6.
7.3.5 Sample processing
For the samples for type inspection, regardless of whether they are qualified or not, they
are not allowed to leave the factory.
8 Packaging, transportation, storage
8.1 Packaging
The microducts are packed in wooden discs; the inner end must be drawn out and
protected against impact, to facilitate the inflation in the microducts. The diameter of
the inner circle of the wooden disc shall not be less than the minimum bending diameter
of the microduct or microduct bundle.
8.3 Storage
8.3.1 Storage field
The storage field shall be flat and neatly stacked. The stacking height shall not exceed
3 m. It shall not be exposed to the sun.
8.3.2 Storage temperature
-20 °C ± 60 °C.
YD/T 1460.3-2006
COMMUNICATION INDUSTRY STANDARD
ICS 33.180.10
M 33
Telecommunication microduct optical fiber cables and fiber
units for installation by blowing - Part 3.Microducts,
microduct bundles and microduct accessories
Issued on. DECEMBER 11, 2006
Implemented on. JANUARY 01, 2007
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Definitions... 5
4 Product model and marking... 5
5 Requirements... 7
6 Test methods... 11
7 Inspection rules... 18
8 Packaging, transportation, storage... 20
Appendix A (Normative) Basic technical requirements for microduct accessories... 21
Appendix B (Informative) Structure diagram of microduct and microduct bundle... 23
References... 24
Foreword
YD/T 1460-2006 "Telecommunication microduct optical fiber cables and fiber units for
installation by blowing" is divided into the following 5 parts.
- Part 1.General;
- Part 2.Outer protective ducts;
- Part 3.Microducts microduct bundles and microduct accessories;
- Part 4.Microduct optical fiber cables;
- Part 5.Enhanced performance fiber units.
This Part is the Part 3 of YD/T 1460-2006.This Part shall be used, in conjunction with
YD/T 1460.1-2006.
In the formulation of this Part, the provisions of the main test items refer to the
provisions of the International Electrotechnical Commission Standard IEC 60794-
5.2003 " Optical fiber cables - Part 5.Sectional specification - Microduct cabling for
installation by blowing"; the main performance indicators of the product refer to the
IEC Committee CD document 86A/867/CD"60794-3-50.2003 "Optical fiber cables -
Part 3-50.Outdoor fiber cables - Sectional specification for microduct cabling for
installation by blowing" (first edition).
Appendix A of this Part is a normative appendix. Appendix B is an informative
appendix.
This Part was proposed by AND shall be under the jurisdiction of China
Communications Standardization Association.
Drafting organizations of this Part. Wuhan Research Institute of Posts and
Telecommunications, Datang Telecom Technology Industry Group, Changfei Optical
Fiber and Cable Co., Ltd., Jiangsu Zhongtian Technology Co., Ltd., Sichuan Huiyuan
Optical Communication Co., Ltd., Beijing Tonghe Shiyi Telecommunications Science
and Technology Research Institute Ltd.
The main drafters of this Part. Shi Huiping, Xue Mengchi, Song Zhituo, Wang Jianwei,
Wu Yanxiang, Wang Han.
Telecommunication microduct optical fiber cables and fiber
units for installation by blowing - Part 3.Microducts,
microduct bundles and microduct accessories
1 Scope
This Part of YD/T 1460 specifies the definition, product model and marking,
requirements, test methods, inspection rules, packaging, transportation, storage of
microducts and microduct bundles, as well as the basic requirements for microduct
accessories.
This Part applies to microducts, microduct bundles, microduct accessories for
installation in outdoor or indoor, by blowing.
2 Normative references
The provisions in following documents become the provisions of this Part through
reference in this Part of YD/T 1460.For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this Part; however,
parties who reach an agreement based on this Part are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition of
the referenced document applies.
GB/T 2828-2003 Sampling procedures and tables for lot-by-lot inspection by
attributes (Apply to inspection of successive lots or batches) (ISO 2859-1.1999, IDT)
GB/T 6671-2001 Thermoplastics pipes - Determination of longitudinal reversion
(eqv ISO 2505.1994)
GB 6995.2-1986 Markings for electric cables and wires - Part 2.Standard colours
GB/T 7424.2-2002 Optical fiber cable generic specification - Part 2.Basic optical
cable test procedures (IEC 60794-1-2.1999, Optical fiber cables - Part 1-2.Generic
specification - Basic optical cable test procedures, MOD)
GB/T 8804.1-2003 Thermoplastic pipes - Determination of tensile properties - Part
1.General test method (ISO 6259-1.1997, IDT)
3 Definitions
The following definitions apply to this Part.
3.1
Microduct bundles
See the definition in Article 3.3 of YD/T 1460.1-2006.
4 Product model and marking
4.1 Product classification
According to the different combinations of microducts, they can usually be divided into
three types.
4.2 Types
4.2.1 Type composition
Product's type marking includes product category, material, construction, as shown in
Figure 1.
4.2.2 Product category
4.3 Specifications
4.3.1 Specifications of microducts
The specifications of the microducts consist of the outer and inner diameters of the
microducts. The outer diameter and the inner diameter are connected by a "/" sign.
4.4 Model and marking
4.4.1 Models
Product model consists of type and specification. Different parts are separated by spaces.
4.4.2 Marking
The microduct product marking shall be identified, when processing and ordering,
which consists of the model of the microduct and the serial number of this Part.
Example 1.For the microduct for installation by blowing, which is made of high-
density polyethylene, has an outer diameter of 7.0 mm and an inner diameter of 5.5 mm,
whose duct wall structure is ribbed, THEN, the product marking shall be expressed as.
SYHL 7/5.5 YD/T 1460.3-2006
5 Requirements
5.1 General requirements
The provisions of 5.4 and 5.5 of YD/T 1460.1-2006 apply to this Part. When in use,
microducts, microduct bundles or microduct cables must be used, in combination with
corresponding accessories. The requirements of microduct accessories are as shown in
Appendix A.
5.2 Structure
5.2.1 Structure example
Examples of structures for microducts, microduct bundles, microduct cables are as
shown in Appendix B.
5.2.4 Microduct bundles
Microduct bundles are formed by the collection of a certain number of microducts
(bundling). It can be installed in the existing outer protective tube at one time, BUT
cannot fill the entire outer protective tube. The duty cycle shall not be greater than 60%.
5.2.5 Microduct cables
Where there are waterproof and moisture-proof requirements, the microduct cable shall
have a moisture barrier. The material of the moisture barrier shall be such, that can block
water and moisture. The sheath of the microduct cable shall be able to completely cover
the microduct bundles therein; the thickness should be 0.8 mm.
5.3 Technical requirements
5.3.3 Environmental performance
5.3.3.1 Air pressure
5.3.3.2 Water pressure tightness
The microducts, which are connected by microduct joints, shall be airtight as a whole
AND meet the test requirements of 6.5.3.
5.3.3.3 Freezing
There are no freezing requirements for microducts.
Put the microduct at -15 °C for 10 h, the tube shall have no cracks or breaks, meanwhile
there shall be no obvious cracks and defects in appearance.
5.4 Delivery length
The nominal value of the standard manufacturing length of the microduct should be
2000 m, 3000 m or 4000 m, which has a tolerance of 0% ~ +5%.
6 Test methods
6.1 General
The properties of the microducts shall be tested, according to the test methods specified
in Table 6.
6.2 Microduct structure inspection
The microduct structure shall be visually inspected, at no less than 100 mm away from
the end of the microduct, for the integrity and structure of the microduct; the inner wall
can be viewed with a light source.
6.3 Dimensional inspection
6.3.1 Length
The delivery length is measured by a metering device, whose measurement error must
not be negative. The measurement error is determined by a steel tape measure, which
has an accuracy of 1 mm.
6.4 Measurement methods of mechanical properties
6.4.1 General requirements
The following test methods and test conditions are used, to verify the mechanical
properties of the product. When the test results meet the requirements of Chapter 5, and
it is judged to be qualified.
6.4.2 Tensile property
6.5 Measurement methods of environmental performance
6.5.1 General
The test methods and test conditions, which are specified below, are used to verify the
environmental performance of the product. When the test results meet the specified
qualification criteria, it is judged to be qualified.
6.5.2 Air pressure
7 Inspection rules
7.1 General
The manufacturer shall establish a quality assurance system, to ensure that the product
quality meets the requirements of this standard. Microduct products shall be inspected
by the quality inspection department of the manufacturer.
7.2 Exit-factory inspection
7.2.1 Exit-factory inspection items
The exit-factory inspection items are as shown in Table 6.
7.2.2 Sampling
7.2.3 Judgment rules
For the size in Article 5.2, in the n samples in accordance with the sampling scheme in
Table 7, if there are less than or equal to Ac samples, that do not meet the requirements,
the batch is judged to be qualified. If there are more than or equal to Re samples, that
do not meet the requirements, the batch is judged to be unqualified. If one of the items
in 5.3 fails to meet the indicator, it may randomly select double quantity of samples, for
re-inspection of the item. If it is still unqualified, the batch will be judged unqualified.
7.3 Type inspection
7.3.1 Inspection conditions
In one of the following cases, type inspection shall be carried out.
7.3.2 Inspection items
The items of type inspection are all items in Table 6.
7.3.3 Sampling
For the specimens, which are used for type inspection, they shall be randomly taken
Batch size N Sample size n Acceptance number Ac Rejection number Re
from the qualified products in the exit-factory inspection. The number of samples shall
meet the requirements of each item in Chapter 6.
7.3.5 Sample processing
For the samples for type inspection, regardless of whether they are qualified or not, they
are not allowed to leave the factory.
8 Packaging, transportation, storage
8.1 Packaging
The microducts are packed in wooden discs; the inner end must be drawn out and
protected against impact, to facilitate the inflation in the microducts. The diameter of
the inner circle of the wooden disc shall not be less than the minimum bending diameter
of the microduct or microduct bundle.
8.3 Storage
8.3.1 Storage field
The storage field shall be flat and neatly stacked. The stacking height shall not exceed
3 m. It shall not be exposed to the sun.
8.3.2 Storage temperature
-20 °C ± 60 °C.
...... Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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